Note 15 - Subsequent Event (Details Textual) - Subsequent Event [Member] - The Plan [Member] $ in Millions	Mar. 27, 2023 USD ($)
Minimum [Member]
Restructuring and Related Cost, Expected Cost, Total	$ 15.0
Restructuring and Related Cost, Expected Cost, Net of Tax	12.4
Severance Costs, Expected Costs	13.8
Severance Costs, Expected Costs, Net of Tax	11.1
Maximum [Member]
Restructuring and Related Cost, Expected Cost, Total	20.0
Restructuring and Related Cost, Expected Cost, Net of Tax	16.4
Severance Costs, Expected Costs	15.0
Severance Costs, Expected Costs, Net of Tax	$ 12.1